6 Ambient conditions
Humidity
85% at 40°C (non-condensing)
Operating temperature
0 to 55°C (with airflow 0.3 m/s)
Storage temperature
-20 to 60 °C
Shock protection
DIN EN 60068-2-27
Overvoltage category
2
Contamination level
2, no condensation allowed
Mechanical strength
IEC 60068-2-64
Acceleration: SSD 2G
Tab. 6-1: Ambient conditions
The ambient air must not contain acids, alkaline solutions, corrosive
agents, salts, metal vapors and other electrically conductive
contaminants in high concentrations
The ambient air must be free from dust, housings and installation
compartments must comply with the min. degree of protection IP 54
according to DIN VDE 0470-1.
This is a product that corresponds to the limit values of the emitted
interference of class A (industrial environments), but not of class B
(residential area and small enterprises).
When using the product in residential areas or small enterprises, the
operator has to take actions to prevent radio interferences (also
refer to DIN EN 55022).
Defective product due to gases jeopardizing
functions
NOTICE
Due to the risk of corrosion, avoid sulphurous gases (e.g. sulphur dioxide (SO
2
)
and hydrogen suphide (H
2
S)). The product is not resistant against these gases.
8/53
Ambient conditions
IndraControl PR31 and VR31 Control
cabinet PC and panel PC
Bosch Rexroth AG R911397433_Edition 02
